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1975 Hawaii earthquake
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Earthquake in Hawaii, United States
May 2025
February 2025
1975 Hawaii earthquake 1975-11-29 14:47:43 722344 iscgem722344 1975 11 29 04:47:43 Hawaii w 7.7 10.0 km on 19.44 -155.15 inline,title Hawaii United States $4–4.1 million VIII 14.3 m on 2 dead several–28 injured
thumb|right|200px|Animation from NOAA
The 1975 Hawaii earthquake occurred on November 29 with a moment magnitude of 7.7 and a maximum Mercalli intensity of VIII (Severe). The shock affected several of the Hawaiian Islands and resulted in the deaths of two people and up to 28 injured. Significant damage occurred in the southern part of the Big Island totalling $4–4.1 million, and it also triggered a small brief eruption of Kilauea volcano.
The event generated a large tsunami that was as high as 47 ft us on Hawaii'i island and was detected in Alaska, California, Japan, Okinawa, Samoa, and on Johnston and Wake Islands. Significant changes to the shorelines along the southern coast of the Big Island with subsidence of 12 ft us was observed, causing some areas to be permanently submerged. The source of the event was the Hilina Slump, which was also responsible for the more powerful 1868 Hawaii earthquake and tsunami.
See also
List of earthquakes in 1975
List of earthquakes in Hawaii
List of earthquakes in the United States
References
ISC-GEM Global Instrumental Earthquake Catalogue (1904–2018) ISC 2022 International Seismological Centre Version 9.1 10.31905/D808B825 free
Significant Earthquake Database https://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 https://web.archive.org/web/20060929000601/http://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 dead September 29, 2006 National Geophysical Data Center / World Data Service (NGDC/WDS) 1972 National Geophysical Data Center, NOAA 10.7289/V5TD9V7K
PAGER-CAT Earthquake Catalog https://earthquake.usgs.gov/static/lfs/data/pager/catalogs/ September 4, 2009 United States Geological Survey Version 2008_06.1
Stover C. W. Coffman J. L. Seismicity of the United States, 1568–1989 (Revised) – U.S. Geological Survey Professional Paper 1527 https://books.google.com/books?id=bY0KAQAAIAAJ 1993 United States Government Printing Office 205, 210, 211
External links
USGS Hawaiian Volcano Observatory
Tsunami Animation: Hawaii 1975 – Pacific Tsunami Warning Center
722344
Category:1975 earthquakes
Category:1975 natural disasters in the United States
Hawaii earthquake
Category:November 1975 in the United States
Category:1970s tsunamis
Category:20th-century volcanic events
Category:Earthquakes in Hawaii
Category:Geography of Hawaii (island)
Category:Volcano tectonic earthquakes
Category:Volcanic tsunamis
Category:November 1975 in Oceania